Why Choose the Mersen Y330186 Protistor® High-Speed Fuse?
The Mersen Y330186 (Catalogue No. DN000UB69V200L) is a Protistor® NH Size 000 high-speed semiconductor protection fuse engineered to provide ultra-fast short-circuit protection for sensitive semiconductor devices. Rated at 200 A and 690 V AC, it is specifically designed to protect IGBTs, thyristors, diodes and other power electronic components used in industrial drives, converters and power control equipment.
Manufactured using precision die-cut silver fuse elements embedded in solidified sand, the Y330186 delivers exceptionally low let-through energy and excellent fault-clearing performance. Silver-plated contact blades and non-magnetic hardware help ensure reliable electrical performance, while the integrated striker provides remote indication through an optional microswitch where required.
With its aR ultra-fast operating characteristic, 200 kA AC breaking capacity and compact NH Size 000 design, the Mersen Y330186 is ideal for industrial motor drives, UPS systems, power converters, rectifiers and renewable energy applications where dependable semiconductor protection is essential.
Key Advantages
- High-speed aR semiconductor protection fuse.
- 200 A rated current for industrial power electronics.
- 690 V AC IEC / UL rated voltage.
- Protects IGBTs, thyristors, diodes and semiconductor assemblies.
- 200 kA AC breaking capacity.
- Integrated striker for remote fuse indication.
Key Features
- Mersen Protistor® semiconductor fuse technology.
- NH Size 000 square body construction.
- 200 A rated current.
- 690 V AC operating voltage.
- Ultra-fast aR operating characteristic.
- DIN 80 silver-plated blade terminals.
- Integrated striker for microswitch operation.
- Designed for industrial semiconductor protection.
Reliable Protection for Industrial Power Electronics
The Mersen Y330186 is engineered to interrupt fault currents within milliseconds, limiting the energy transferred to valuable semiconductor devices. Its ultra-fast operation helps reduce thermal stress, minimise equipment damage and improve overall system reliability in demanding industrial applications.
Protistor® semiconductor fuses are widely specified by OEM manufacturers and electrical engineers for protecting industrial drives, power converters, UPS systems and renewable energy installations where rapid fault clearance is essential for maintaining operational continuity.
Typical Applications
- Variable frequency drives.
- Industrial motor control systems.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy inverters.
- Industrial automation equipment.
